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        1、培訓過程中，如有部分內容理解不透或消化不好，可免費在以后培訓班中重聽；
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• Object Oriented Programming
  Classes and objects
  Properties and methods
  Constructor and destructor methods
  Class inheritance
  Attributes and methods scopes (visibility)
  Error handling with exceptions
  Namespaces
  Introducing the Symfony famework
  Introducing the Symfony framework and its ecosystem
  Installing the Symfony ? Standard Edition Distribution ?
  Discovering the Symfony project architecture (application, bundles, libraries, bundles etc.)
  Understanding the HTTP request processing workflow
  Understanding the concept of environment (development, production and testing)
  Introducing the coding and files naming conventions
  Discovering the concept of a ? Bundle ?
  Debugging the Code
  Getting help from the ? Web Debug Toolbar ?
  Introspecting the recorded logs
  Profiling HTTP requests thanks to the ? Web Profiler ? application
  Spotting problems thanks to explicit errors and exceptions stack traces
  Using the Debug and VarDumper components features
  Configuring the application
  Comparing the supported built-in configuration format: XML, YAML and PHP
  Configuring the application thanks to global parameters
  Configuration application’s routes and URLs with annotations
  Overriding the configuration defined by a built-in or third-party ? bundle ?
  Generating Contents for the End User
  Introducing the Twig templates engine
  Comparing Twig and raw PHP templating strategies
  Accessing global variables from Twig templates (request, session, user)
  Using tags, filters and function to generate and format contents in a Twig template
  Making templates truly extensible thanks to the template inheritance feature
  Splitting templates into smaller templates chunks to avoid code duplications
  Rendering a Symfony controller from within a Twig template
  Generating URLs based on the application’s routes configuration
  Rendering Symfony forms with custom Twig view helpers
  Developping Controller and Analyzing the Request
  Designing a controller class with its action methods
  Mapping URL patterns to Symfony controllers thanks to annotations
  Generating raw responses and Twig templates based responses
  Accessing client’s information from the Request object
  Reading and writing session data
  Reading and writing cookies data
  Triggering a 404 error page when the resource is not found
  Triggering an internal redirect to another controller to avoid code duplications
  Redirecting the user to another page
  Interacting with the End User thanks to Forms
  Discovering the ? Form ? component
  Designing and processing simple web forms
  Adding validation constraints on submitted form fields’ data
  Prototyping the form rendering thanks to Twig view helpers
  Gathering the form submitted data and processing them
  Sending the form validated and filtered data by e-mail to some recipient
  Internationalizing and Localizing the User Interface
  Discovering the ? Translation ? component
  Changing the default user’s locale
  Defining custom abstract translation keys in Twig templates
  Dealing with dynamic translations including pluralized sentences
  Dependency Injection and Service Container
  Understanding the dependency injection principle
  Getting started with the Symfony service container
  Listing all built-in Symfony services thanks to the command line tools
  Registering new custom business services in the dependency injection container
  Accessing a registered service from the service container
  Creating and accessing global configuration parameters from the container
  Contracting a Quality Insurance with Automated Tests
  Discovering the PHPUnit tests automation framework
  Understanding the goals of automating tests (unit and functional tests)
  Configuring an automated tests suite
  Designing and executing a unit tests suite
  Designing and executing a functional tests suite
  Generating code coverage reports
  Interacting with the End User and Forms
  Designing and processing web forms
  Automating form rendering with Twig view helpers
  Customizing form rendering with built-in and custom Twig form themes
  Configuring form field types as services
  Applying built-in validation constraint rules on submitted data
  Applying custom validation constraint rules on submitted data
  Contextualizing the data validation thanks to validation groups
  Restricting Access to Secured Areas of the Application
  Getting started with authentication and authorization principles
  Securing some application’s pages thanks to a form based authentication strategy
  Implementing the Security Guard sub component to handle authentication
  Setting up an access control policy based on user’s roles
  Testing user’s permissions from a controller and a Twig template
  Registering custom authorization rules thanks to the security ? voters ?
  Improving Application Performances with HTTP Caching and ESI
  Getting started with the HTTP caching workflows
  Discovering the different kind of cache systems
  Comparing the expiration and validation cache strategies
  Applying expiration and validation cache constraints to generated web pages
  Caching page fragments thanks to the ESI technology (? Edge Side Includes ?)
  Installing and configuring the Symfony’s built-in reverse-proxy cache
  Querying a Relational Database System with Doctrine
  Discovering the basics of the Doctrine ORM
  Understanding the concepts of ? entities ? and ? repositories ?
  Automating PHP classes and SQL queries code generation with Doctrine
  Persisting data to the database thanks to the Doctrine ORM entity manager
  Fetching data back from the database thanks to Doctrine
  Building and executing custom SQL queries thanks to the Doctrine Query Builder object